Search Results for author: Taisuke Otsu

Found 7 papers, 0 papers with code

Graph Neural Networks: Theory for Estimation with Application on Network Heterogeneity

no code implementations29 Jan 2024 Yike Wang, Chris Gu, Taisuke Otsu

This paper presents a novel application of graph neural networks for modeling and estimating network heterogeneity.

Causal Inference counterfactual

Regression adjustment in randomized controlled trials with many covariates

no code implementations1 Feb 2023 Harold D Chiang, Yukitoshi Matsushita, Taisuke Otsu

By employing Neyman's (1923) finite population perspective, we propose a bias-corrected regression adjustment estimator using cross-fitting, and show that the proposed estimator has favorable properties over existing alternatives.

regression

GLS under Monotone Heteroskedasticity

no code implementations25 Oct 2022 Yoichi Arai, Taisuke Otsu, Mengshan Xu

Our GLS estimator is shown to be asymptotically equivalent to the infeasible GLS estimator with knowledge of the conditional error variance, and involves only some tuning to trim boundary observations, not only for point estimation but also for interval estimation or hypothesis testing.

regression

Conditional Likelihood Ratio Test with Many Weak Instruments

no code implementations14 Oct 2022 Sreevidya Ayyar, Yukitoshi Matsushita, Taisuke Otsu

This paper extends validity of the conditional likelihood ratio (CLR) test developed by Moreira (2003) to instrumental variable regression models with unknown error variance and many weak instruments.

regression

Isotonic propensity score matching

no code implementations18 Jul 2022 Mengshan Xu, Taisuke Otsu

We propose a one-to-many matching estimator of the average treatment effect based on propensity scores estimated by isotonic regression.

regression

Regression Discontinuity Design with Potentially Many Covariates

no code implementations17 Sep 2021 Yoichi Arai, Taisuke Otsu, Myung Hwan Seo

This paper studies the case of possibly high-dimensional covariates in the regression discontinuity design (RDD) analysis.

regression

On Gaussian Approximation for M-Estimator

no code implementations31 Dec 2020 Masaaki Imaizumi, Taisuke Otsu

This study develops a non-asymptotic Gaussian approximation theory for distributions of M-estimators, which are defined as maximizers of empirical criterion functions.

Statistics Theory Statistics Theory

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